The power windows may be used for up to 10 minutes after the engine is turned off, or until any door is opened.
The radio contains a One Hour Logic Mode which allows it to stay on for one hour after the ignition is turned OFF, or until the driver door is opened. The radio can also be turned on, with no key in the ignition, when it's power button is pressed. It will then remain on for one hour.
When the radio shuts off after one hour of use, it can be turned on again by pressing the power button. It will again shut down after one hour of use. This process may be repeated as many times as you choose.